Merge commit '227425b90e9a671118026689dd30967e127a1090' as 'external/toxcore/c-toxcore'

2023-07-25 11:53:09 +02:00
parent 310a099f14 227425b90e
commit 5568b70d31
467 changed files with 116591 additions and 0 deletions
--- a/external/toxcore/c-toxcore/toxav/msi.h
+++ b/external/toxcore/c-toxcore/toxav/msi.h
@ -0,0 +1,147 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later
+ * Copyright © 2016-2018 The TokTok team.
+ * Copyright © 2013-2015 Tox project.
+ */
+#ifndef C_TOXCORE_TOXAV_MSI_H
+#define C_TOXCORE_TOXAV_MSI_H
+
+#include <pthread.h>
+#include <stdint.h>
+
+#include "audio.h"
+#include "video.h"
+
+#include "../toxcore/Messenger.h"
+#include "../toxcore/logger.h"
+
+/**
+ * Error codes.
+ */
+typedef enum MSIError {
+    MSI_E_NONE,
+    MSI_E_INVALID_MESSAGE,
+    MSI_E_INVALID_PARAM,
+    MSI_E_INVALID_STATE,
+    MSI_E_STRAY_MESSAGE,
+    MSI_E_SYSTEM,
+    MSI_E_HANDLE,
+    MSI_E_UNDISCLOSED, /* NOTE: must be last enum otherwise parsing will not work */
+} MSIError;
+
+/**
+ * Supported capabilities
+ */
+typedef enum MSICapabilities {
+    MSI_CAP_S_AUDIO = 4,  /* sending audio */
+    MSI_CAP_S_VIDEO = 8,  /* sending video */
+    MSI_CAP_R_AUDIO = 16, /* receiving audio */
+    MSI_CAP_R_VIDEO = 32, /* receiving video */
+} MSICapabilities;
+
+
+/**
+ * Call state identifiers.
+ */
+typedef enum MSICallState {
+    MSI_CALL_INACTIVE, /* Default */
+    MSI_CALL_ACTIVE,
+    MSI_CALL_REQUESTING, /* when sending call invite */
+    MSI_CALL_REQUESTED, /* when getting call invite */
+} MSICallState;
+
+/**
+ * Callbacks ids that handle the states
+ */
+typedef enum MSICallbackID {
+    MSI_ON_INVITE, /* Incoming call */
+    MSI_ON_START, /* Call (RTP transmission) started */
+    MSI_ON_END, /* Call that was active ended */
+    MSI_ON_ERROR, /* On protocol error */
+    MSI_ON_PEERTIMEOUT, /* Peer timed out; stop the call */
+    MSI_ON_CAPABILITIES, /* Peer requested capabilities change */
+} MSICallbackID;
+
+/**
+ * The call struct. Please do not modify outside msi.c
+ */
+typedef struct MSICall {
+    struct MSISession *session;           /* Session pointer */
+
+    MSICallState         state;
+    uint8_t              peer_capabilities; /* Peer capabilities */
+    uint8_t              self_capabilities; /* Self capabilities */
+    uint16_t             peer_vfpsz;        /* Video frame piece size */
+    uint32_t             friend_number;     /* Index of this call in MSISession */
+    MSIError             error;             /* Last error */
+
+    struct ToxAVCall     *av_call;           /* Pointer to av call handler */
+
+    struct MSICall       *next;
+    struct MSICall       *prev;
+} MSICall;
+
+
+/**
+ * Expected return on success is 0, if any other number is
+ * returned the call is considered errored and will be handled
+ * as such which means it will be terminated without any notice.
+ */
+typedef int msi_action_cb(void *av, MSICall *call);
+
+/**
+ * Control session struct. Please do not modify outside msi.c
+ */
+typedef struct MSISession {
+    /* Call handlers */
+    MSICall       **calls;
+    uint32_t        calls_tail;
+    uint32_t        calls_head;
+
+    void           *av;
+    Messenger      *messenger;
+
+    pthread_mutex_t mutex[1];
+
+    msi_action_cb *invite_callback;
+    msi_action_cb *start_callback;
+    msi_action_cb *end_callback;
+    msi_action_cb *error_callback;
+    msi_action_cb *peertimeout_callback;
+    msi_action_cb *capabilities_callback;
+} MSISession;
+
+/**
+ * Start the control session.
+ */
+MSISession *msi_new(Messenger *m);
+/**
+ * Terminate control session. NOTE: all calls will be freed
+ */
+int msi_kill(MSISession *session, const Logger *log);
+/**
+ * Callback setters.
+ */
+void msi_callback_invite(MSISession *session, msi_action_cb *callback);
+void msi_callback_start(MSISession *session, msi_action_cb *callback);
+void msi_callback_end(MSISession *session, msi_action_cb *callback);
+void msi_callback_error(MSISession *session, msi_action_cb *callback);
+void msi_callback_peertimeout(MSISession *session, msi_action_cb *callback);
+void msi_callback_capabilities(MSISession *session, msi_action_cb *callback);
+/**
+ * Send invite request to friend_number.
+ */
+int msi_invite(MSISession *session, MSICall **call, uint32_t friend_number, uint8_t capabilities);
+/**
+ * Hangup call. NOTE: `call` will be freed
+ */
+int msi_hangup(MSICall *call);
+/**
+ * Answer call request.
+ */
+int msi_answer(MSICall *call, uint8_t capabilities);
+/**
+ * Change capabilities of the call.
+ */
+int msi_change_capabilities(MSICall *call, uint8_t capabilities);
+
+#endif // C_TOXCORE_TOXAV_MSI_H